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1201330 = 25139241
BaseRepresentation
bin100100101010010110010
32021000220201
410211102302
5301420310
641425414
713132264
oct4452262
92230821
101201330
11750639
1249b26a
13330a60
14233b34
1518ae3a
hex1254b2

1201330 has 16 divisors (see below), whose sum is σ = 2328984. Its totient is φ = 443520.

The previous prime is 1201327. The next prime is 1201337. The reversal of 1201330 is 331021.

It can be written as a sum of positive squares in 4 ways, for example, as 1083681 + 117649 = 1041^2 + 343^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1201337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4491 + ... + 4750.

21201330 is an apocalyptic number.

1201330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1201330 is a deficient number, since it is larger than the sum of its proper divisors (1127654).

1201330 is a wasteful number, since it uses less digits than its factorization.

1201330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9261.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 1201330 is about 1096.0520060654. The cubic root of 1201330 is about 106.3051017535.

Adding to 1201330 its reverse (331021), we get a palindrome (1532351).

The spelling of 1201330 in words is "one million, two hundred one thousand, three hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 9241 18482 46205 92410 120133 240266 600665 1201330